.left-border {
    border-left: 1px solid #D1D7DC;
}

.right-border {
    border-right: 1px solid #D1D7DC;
}

.bottom-border {
    border-bottom: 1px solid #D1D7DC;
}

.top-border {
    border-top: 1px solid #D1D7DC;
}

.cell {
    float: left;
}